:root {
  --ink: #14312e;
  --deep: #0f3d3a;
  --mint: #e5f4f0;
  --leaf: #1d7a68;
  --card: #ffffff;
  --line: #c9e0d9;
  --soft: #f4fbf8;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.75;
}
a { color: #0f5c50; }
.top {
  background: var(--deep);
  color: #f3fffb;
}
.top a { color: #f3fffb; text-decoration: none; }
.top-in, .stage, .block {
  max-width: 1080px;
  margin: 0 auto;
  padding-left: 22px;
  padding-right: 22px;
}
.top-in { display: flex; justify-content: space-between; gap: 18px; align-items: center; padding-top: 18px; padding-bottom: 18px; flex-wrap: wrap; }
.logo { font-size: 22px; font-weight: 700; }
.menu { display: flex; gap: 18px; flex-wrap: wrap; font-size: 15px; }
.stage { padding-top: 36px; padding-bottom: 36px; text-align: center; }
.stage h1 { margin: 0 auto 12px; max-width: 18em; font-size: 36px; line-height: 1.3; }
.stage .intro { margin: 0 auto 16px; max-width: 40em; color: #d7efe8; }
.chips { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin: 0 0 16px; padding: 0; list-style: none; }
.chips li { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.2); border-radius: 999px; padding: 6px 12px; display: flex; gap: 8px; align-items: center; }
.stage .btns, .mid .btns { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  background: #8fd9c6;
  color: #08332d;
  text-decoration: none;
  font-weight: 700;
  border-radius: 999px;
  padding: 10px 16px;
}
.btn.line { background: transparent; color: #f3fffb; border: 1px solid #8fd9c6; }
.mid .btn.line { color: var(--deep); }
.anchors { margin-top: 14px; display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.block { padding-top: 8px; padding-bottom: 28px; }
.block section { background: var(--card); border-radius: 18px; padding: 22px 24px 8px; margin: 16px 0; box-shadow: 0 8px 24px rgba(15,61,58,0.05); }
.block h2 { margin: 0 0 12px; font-size: 26px; color: var(--deep); }
.block h3 { margin: 16px 0 6px; font-size: 18px; }
.block p { margin: 0 0 14px; }
.block ul, .block ol { margin: 0 0 14px; padding-left: 1.2em; }
.wide { background: var(--mint); }
table { width: 100%; border-collapse: collapse; margin: 0 0 16px; font-size: 15px; background: white; }
th, td { border-bottom: 1px solid var(--line); padding: 10px; text-align: left; vertical-align: top; }
th { color: var(--deep); }
.note { border-radius: 12px; background: var(--mint); padding: 12px 14px; margin: 0 0 14px; }
.foot { background: var(--deep); color: #e7f6f2; padding: 28px 22px 40px; }
.foot-in { max-width: 1080px; margin: 0 auto; font-size: 14px; }
.foot p { margin: 0 0 8px; }
.mid { padding-bottom: 6px; }
@media (max-width: 720px) {
  .stage h1 { font-size: 28px; }
}